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Annotation of OpenXM_contrib2/asir2000/parse/load.c, Revision 1.5

1.3       noro        1: /*
                      2:  * Copyright (c) 1994-2000 FUJITSU LABORATORIES LIMITED
                      3:  * All rights reserved.
                      4:  *
                      5:  * FUJITSU LABORATORIES LIMITED ("FLL") hereby grants you a limited,
                      6:  * non-exclusive and royalty-free license to use, copy, modify and
                      7:  * redistribute, solely for non-commercial and non-profit purposes, the
                      8:  * computer program, "Risa/Asir" ("SOFTWARE"), subject to the terms and
                      9:  * conditions of this Agreement. For the avoidance of doubt, you acquire
                     10:  * only a limited right to use the SOFTWARE hereunder, and FLL or any
                     11:  * third party developer retains all rights, including but not limited to
                     12:  * copyrights, in and to the SOFTWARE.
                     13:  *
                     14:  * (1) FLL does not grant you a license in any way for commercial
                     15:  * purposes. You may use the SOFTWARE only for non-commercial and
                     16:  * non-profit purposes only, such as academic, research and internal
                     17:  * business use.
                     18:  * (2) The SOFTWARE is protected by the Copyright Law of Japan and
                     19:  * international copyright treaties. If you make copies of the SOFTWARE,
                     20:  * with or without modification, as permitted hereunder, you shall affix
                     21:  * to all such copies of the SOFTWARE the above copyright notice.
                     22:  * (3) An explicit reference to this SOFTWARE and its copyright owner
                     23:  * shall be made on your publication or presentation in any form of the
                     24:  * results obtained by use of the SOFTWARE.
                     25:  * (4) In the event that you modify the SOFTWARE, you shall notify FLL by
1.4       noro       26:  * e-mail at risa-admin@sec.flab.fujitsu.co.jp of the detailed specification
1.3       noro       27:  * for such modification or the source code of the modified part of the
                     28:  * SOFTWARE.
                     29:  *
                     30:  * THE SOFTWARE IS PROVIDED AS IS WITHOUT ANY WARRANTY OF ANY KIND. FLL
                     31:  * MAKES ABSOLUTELY NO WARRANTIES, EXPRESSED, IMPLIED OR STATUTORY, AND
                     32:  * EXPRESSLY DISCLAIMS ANY IMPLIED WARRANTY OF MERCHANTABILITY, FITNESS
                     33:  * FOR A PARTICULAR PURPOSE OR NONINFRINGEMENT OF THIRD PARTIES'
                     34:  * RIGHTS. NO FLL DEALER, AGENT, EMPLOYEES IS AUTHORIZED TO MAKE ANY
                     35:  * MODIFICATIONS, EXTENSIONS, OR ADDITIONS TO THIS WARRANTY.
                     36:  * UNDER NO CIRCUMSTANCES AND UNDER NO LEGAL THEORY, TORT, CONTRACT,
                     37:  * OR OTHERWISE, SHALL FLL BE LIABLE TO YOU OR ANY OTHER PERSON FOR ANY
                     38:  * DIRECT, INDIRECT, SPECIAL, INCIDENTAL, PUNITIVE OR CONSEQUENTIAL
                     39:  * DAMAGES OF ANY CHARACTER, INCLUDING, WITHOUT LIMITATION, DAMAGES
                     40:  * ARISING OUT OF OR RELATING TO THE SOFTWARE OR THIS AGREEMENT, DAMAGES
                     41:  * FOR LOSS OF GOODWILL, WORK STOPPAGE, OR LOSS OF DATA, OR FOR ANY
                     42:  * DAMAGES, EVEN IF FLL SHALL HAVE BEEN INFORMED OF THE POSSIBILITY OF
                     43:  * SUCH DAMAGES, OR FOR ANY CLAIM BY ANY OTHER PARTY. EVEN IF A PART
                     44:  * OF THE SOFTWARE HAS BEEN DEVELOPED BY A THIRD PARTY, THE THIRD PARTY
                     45:  * DEVELOPER SHALL HAVE NO LIABILITY IN CONNECTION WITH THE USE,
                     46:  * PERFORMANCE OR NON-PERFORMANCE OF THE SOFTWARE.
                     47:  *
1.5     ! noro       48:  * $OpenXM: OpenXM_contrib2/asir2000/parse/load.c,v 1.4 2000/08/22 05:04:27 noro Exp $
1.3       noro       49: */
1.1       noro       50: #include "ca.h"
                     51: #include "parse.h"
1.5     ! noro       52:
1.1       noro       53: #if defined(VISUAL)
                     54: #include <string.h>
                     55: #include <fcntl.h>
                     56: #include <sys/stat.h>
1.5     ! noro       57: #else /* VISUAL */
1.1       noro       58: #if defined(_PA_RISC1_1) || defined(SYSV) || defined(__SVR4)
                     59: #include <unistd.h>
                     60: #include <string.h>
                     61: #else
                     62: #include <strings.h>
                     63: #endif
                     64: #include <sys/types.h>
                     65: #include <sys/file.h>
                     66: #include <sys/stat.h>
                     67: #endif
                     68:
                     69: #if defined(linux)
                     70: #include <unistd.h>
                     71: #endif
                     72:
                     73: #if defined(VISUAL)
                     74: #include <io.h>
                     75: #endif
                     76:
                     77: #undef MALLOC
                     78: #define MALLOC(x) GC_malloc((x)+4)
                     79:
                     80: char *ASIRLOADPATH[32];
                     81:
                     82: void encrypt_file(char *,char *);
                     83: void decrypt_file(char *,char *);
                     84:
                     85: #if defined(VISUAL)
                     86: #define ENVDELIM ';'
                     87: #define MORE "more < "
                     88: #else
                     89: #define ENVDELIM ':'
                     90: #define MORE "more"
                     91: #endif
                     92:
                     93: #ifndef ASIR_LIBDIR
                     94: #define ASIR_LIBDIR "."
                     95: #endif
                     96:
                     97: char *getenv();
                     98: extern char *asir_libdir;
                     99: extern char *asir_pager;
                    100: extern int read_exec_file;
                    101: extern int main_parser;
                    102:
                    103: void env_init() {
                    104:        char *e,*p,*q;
                    105:        int i,l;
                    106:        char *getenv();
                    107:        char *oxhome;
                    108:        char rootname[BUFSIZ];
                    109:
                    110:        if ( !(asir_libdir = getenv("ASIR_LIBDIR")) ) {
                    111:                if ( oxhome = getenv("OpenXM_HOME") ) {
                    112:                        asir_libdir = (char *)malloc(strlen(oxhome)+strlen("/lib/asir")+1);
                    113:                        sprintf(asir_libdir,"%s/lib/asir",oxhome);
                    114:                } else {
                    115: #if defined(VISUAL)
                    116:                        get_rootdir(rootname,sizeof(rootname));
                    117:                        asir_libdir = (char *)malloc(strlen(rootname)+strlen("/lib")+1);
                    118:                        sprintf(asir_libdir,"%s/lib",rootname);
                    119: #else
                    120:                        asir_libdir = (char *)malloc(strlen(ASIR_LIBDIR)+1);
                    121:                        strcpy(asir_libdir,ASIR_LIBDIR);
                    122: #endif
                    123:                }
                    124:        }
                    125:        if ( !(asir_pager = getenv("PAGER")) ) {
                    126:                asir_pager = (char *)malloc(strlen(MORE)+1);
                    127:                strcpy(asir_pager,MORE);
                    128:        }
                    129:        if ( e = getenv("ASIRLOADPATH" ) )
                    130:                for ( i = 0; ; i++, e = p+1 ) {
                    131:                        p = (char *)index(e,ENVDELIM);
                    132:                        l = p ? p-e : strlen(e); q = (char *)MALLOC(l+1);
                    133:                        if ( l ) {
                    134:                                strncpy(q,e,l); q[l] = 0; ASIRLOADPATH[i] = q;
                    135:                        }
                    136:                        if ( !p )
                    137:                                break;
                    138:                }
                    139:        for ( i = 0; ASIRLOADPATH[i]; i++ );
                    140:        ASIRLOADPATH[i] = asir_libdir;
                    141: }
                    142:
                    143: void searchasirpath(name,pathp)
                    144: char *name;
                    145: char **pathp;
                    146: {
                    147:        char **p;
                    148:        char *q;
                    149:        int l;
1.5     ! noro      150: #if !defined(VISUAL)
1.1       noro      151:        struct stat sbuf;
                    152:
                    153:        if ( (name[0] == '/') || ( name[0] == '.') || strchr(name,':')
                    154:                || !ASIRLOADPATH[0] ) {
                    155:                if ( access(name,R_OK) >= 0 ) {
                    156:                        stat(name,&sbuf);
                    157:                        if ( (sbuf.st_mode & S_IFMT) != S_IFDIR )
                    158:                                *pathp = name;
                    159:                        else
                    160:                                *pathp = 0;
                    161:                } else
                    162:                        *pathp = 0;
                    163:        } else {
                    164:                for ( p = ASIRLOADPATH; *p; p++ ) {
                    165:                        l = strlen(*p)+strlen(name)+2;
                    166:                        q = (char *)ALLOCA(l); sprintf(q,"%s/%s",*p,name);
                    167:                        if ( access(q,R_OK) >= 0 ) {
                    168:                                stat(q,&sbuf);
                    169:                                if ( (sbuf.st_mode & S_IFMT) != S_IFDIR ) {
                    170:                                        *pathp = (char *)MALLOC(l); strcpy(*pathp,q);
                    171:                                        return;
                    172:                                }
                    173:                        }
                    174:                }
                    175:                *pathp = 0;
                    176:        }
1.5     ! noro      177: #else
1.1       noro      178:        if ( (name[0] == '/') || ( name[0] == '.') || strchr(name,':')
                    179:                || !ASIRLOADPATH[0] )
                    180:                *pathp = name;
                    181:        else {
                    182:                for ( p = ASIRLOADPATH; *p; p++ ) {
                    183:                        l = strlen(*p)+strlen(name)+2;
                    184:                        q = (char *)ALLOCA(l); sprintf(q,"%s/%s",*p,name);
                    185:                        if ( access(q,04) >= 0 ) {
                    186:                                *pathp = (char *)MALLOC(l); strcpy(*pathp,q);
                    187:                                return;
                    188:                        }
                    189:                }
                    190:                *pathp = 0;
                    191:        }
                    192: #endif
                    193: }
                    194:
                    195: #define DELIM '/'
                    196:
                    197: void Eungetc(int,FILE *);
                    198:
                    199: void loadasirfile(name0)
                    200: char *name0;
                    201: {
                    202:        FILE *in;
                    203:        IN t;
                    204:        extern char cppname[];
1.5     ! noro      205: #if defined(VISUAL)
        !           206:        char ibuf1[BUFSIZ],ibuf2[BUFSIZ];
1.1       noro      207:        int ac;
                    208:        char *av[BUFSIZ];
                    209:        char *p,*c;
                    210:        FILE *fp;
1.5     ! noro      211:        char dname[BUFSIZ],tname0[BUFSIZ];
        !           212:        char *name,*tname;
1.1       noro      213:        int encoded;
1.5     ! noro      214:        static char prefix[BUFSIZ];
        !           215:        int process_id();
        !           216:        char CppExe[BUFSIZ];
        !           217:        char nbuf[BUFSIZ],tnbuf[BUFSIZ];
        !           218:        STRING rootdir;
        !           219:
        !           220:        /* create the unique prefix */
        !           221:        if ( !prefix[0] )
        !           222:                sprintf(prefix,"asir%d",process_id());
1.1       noro      223:
                    224:        fp = fopen(name0,"rb");
                    225:        if ( getc(fp) == 0xff ) {
                    226:                /* encoded file */
                    227:                fclose(fp);
1.5     ! noro      228:                name = tempnam(NULL,prefix);
1.1       noro      229:                decrypt_file(name0,name);
1.5     ! noro      230:                /* the file 'name' created */
1.1       noro      231:                encoded = 1;
                    232:        } else {
                    233:                fclose(fp);
1.5     ! noro      234:                name = name0;
1.1       noro      235:                encoded = 0;
                    236:        }
                    237:
                    238:        strcpy(dname,name);
1.5     ! noro      239:        av[0] = "cpp";
        !           240:        sprintf(nbuf,"\"%s\"",name);
        !           241:        av[1] = nbuf;
        !           242:        tname = tempnam(NULL,prefix);
        !           243:        sprintf(tnbuf,"\"%s\"",tname);
        !           244:        av[2] = tnbuf;
        !           245:        sprintf(ibuf1,"-I\"%s\"",asir_libdir);
        !           246:        av[3] = ibuf1;
        !           247:        av[4] = "-DWINDOWS";
        !           248:
        !           249:        /* set the include directory */
1.1       noro      250:        p = strrchr(dname,DELIM);
                    251:        if ( !p ) {
1.5     ! noro      252:                av[5] = 0; ac = 5;
1.1       noro      253:        } else {
1.5     ! noro      254:                *p = 0;
        !           255:                sprintf(ibuf2,"-I\"%s\"",dname);
        !           256:                av[5] = ibuf2;
        !           257:                av[6] = 0; ac = 6;
        !           258:        }
        !           259: //     cpp_main(ac,av);
        !           260:        Pget_rootdir(&rootdir);
        !           261:        sprintf(CppExe,"%s\\bin\\cpp.exe",BDY(rootdir));
        !           262:        call_exe(CppExe,av);
1.1       noro      263:
1.5     ! noro      264:        /* the file tname created */
1.1       noro      265:        if ( encoded ) {
1.5     ! noro      266:                unlink(name); free(name);
        !           267:
        !           268:                strcpy(tname0,tname); free(tname);
        !           269:                tname = tempnam(NULL,prefix);
        !           270:
1.1       noro      271:                encrypt_file(tname0,tname);
1.5     ! noro      272:                /* the file tname created */
1.1       noro      273:                unlink(tname0);
1.5     ! noro      274:
1.1       noro      275:                in = fopen(tname,"rb");
                    276:        } else
                    277:                in = fopen(tname,"r");
                    278:        if ( !in ) {
                    279:                perror("fopen");
                    280:                error("load : failed");
                    281:        }
                    282:        t = (IN)MALLOC(sizeof(struct oIN));
1.5     ! noro      283:        t->name = (char *)MALLOC(strlen(name0)+1); strcpy(t->name,name0);
        !           284:        t->tname = (char *)MALLOC(strlen(tname)+1); strcpy(t->tname,tname); free(tname);
1.1       noro      285:        t->encoded = encoded;
                    286: #else
                    287:        char com[BUFSIZ];
                    288:
                    289:        sprintf(com,"%s -I%s %s",cppname,asir_libdir,name0); in = popen(com,"r");
                    290:        if ( !in ) {
                    291:                perror("popen");
                    292:                error("load : failed");
                    293:        }
                    294:        t = (IN)MALLOC(sizeof(struct oIN));
                    295:        t->name = (char *)MALLOC(strlen(name0)+1); strcpy(t->name,name0);
                    296: #endif
                    297:        t->fp = in; t->ln = 1; t->next = asir_infile; asir_infile = t;
                    298:        main_parser = 1; /* XXX */
                    299:        Eungetc(afternl(),asir_infile->fp);
                    300:        if ( !EPVS->va )
                    301:                reallocarray((char **)&EPVS->va,(int *)&EPVS->asize,(int *)&EPVS->n,(int)sizeof(struct oPV));
                    302: }
                    303:
                    304: void execasirfile(name)
                    305: char *name;
                    306: {
                    307:        loadasirfile(name);
                    308:        read_exec_file = 1;
                    309:        read_eval_loop();
                    310:        read_exec_file = 0;
                    311: }
                    312:
                    313: static NODE objfile = 0;
                    314:
                    315: int loadfile(s)
                    316: char *s;
                    317: {
                    318:        FILE *in;
                    319:
                    320:        if ( in = fopen(s,"r") ) {
                    321:                fclose(in);
                    322:                loadasirfile(s);
                    323:                return 1;
                    324:        } else
                    325:                return 0;
                    326: }
                    327:
                    328: int loadfiles(node) NODE node; { return 0; }
                    329:
                    330: static unsigned char encrypt_tab[128][2] = {
                    331: {137,40},{1,194},{133,79},{48,20},{254,76},{98,17},{110,233},{19,231},
                    332: {55,223},{75,65},{178,151},{85,222},{201,46},{51,243},{235,61},{106,113},
                    333: {116,121},{24,205},{146,244},{89,234},{163,173},{140,162},{188,45},{195,132},
                    334: {202,94},{236,87},{2,127},{253,47},{211,138},{58,252},{142,190},{77,209},
                    335: {16,53},{200,220},{99,165},{28,59},{78,0},{208,248},{50,229},{217,39},
                    336: {112,15},{18,60},{108,175},{10,67},{23,176},{49,245},{160,27},{171,219},
                    337: {105,144},{122,172},{255,114},{226,100},{70,117},{197,11},{180,36},{136,101},
                    338: {238,212},{125,120},{103,199},{38,119},{7,206},{181,228},{62,3},{30,185},
                    339: {154,63},{247,81},{187,80},{225,56},{210,221},{37,135},{155,52},{54,153},
                    340: {84,246},{166,90},{124,167},{41,184},{145,204},{147,198},{25,21},{72,97},
                    341: {66,128},{95,139},{93,42},{224,43},{35,143},{111,13},{82,249},{12,148},
                    342: {32,152},{186,168},{177,115},{216,251},{5,131},{123,170},{149,161},{213,203},
                    343: {126,150},{88,158},{74,169},{159,182},{156,26},{34,104},{8,91},{207,183},
                    344: {9,64},{83,241},{134,102},{69,33},{179,237},{129,250},{14,71},{230,4},
                    345: {218,6},{189,68},{193,22},{57,174},{215,214},{130,92},{240,31},{118,239},
                    346: {109,192},{232,196},{86,107},{96,141},{157,227},{164,242},{44,191},{29,73}
                    347: };
                    348:
                    349: static unsigned char decrypt_tab[] = {
                    350: 36,1,26,62,111,92,112,60,102,104,43,53,87,85,110,40,
                    351: 32,5,41,7,3,78,114,44,17,78,100,46,35,127,63,118,
                    352: 88,107,101,84,54,69,59,39,0,75,82,83,126,22,12,27,
                    353: 3,45,38,13,70,32,71,8,67,115,29,35,41,14,62,64,
                    354: 104,9,80,43,113,107,52,110,79,127,98,9,4,31,36,2,
                    355: 66,65,86,105,72,11,122,25,97,19,73,102,117,82,24,81,
                    356: 123,79,5,34,51,55,106,58,101,48,15,122,42,120,6,85,
                    357: 40,15,50,90,16,52,119,59,57,16,49,93,74,57,96,26,
                    358: 80,109,117,92,23,2,106,69,55,0,28,81,21,123,30,84,
                    359: 48,76,18,77,87,94,96,10,88,71,64,70,100,124,97,99,
                    360: 46,94,21,20,125,34,73,74,89,98,93,47,49,20,115,42,
                    361: 44,90,10,108,54,61,99,103,75,63,89,66,22,113,30,126,
                    362: 120,114,1,23,121,53,77,58,33,12,24,95,76,17,60,103,
                    363: 37,31,68,28,56,95,116,116,91,39,112,47,33,68,11,8,
                    364: 83,67,51,124,61,38,111,7,121,6,19,14,25,108,56,119,
                    365: 118,105,125,13,18,45,72,65,37,86,109,91,29,27,4,50
                    366: };
                    367:
                    368: unsigned char encrypt_char(unsigned char c)
                    369: {
                    370:        return encrypt_tab[c][mt_genrand()&1];
                    371: }
                    372:
                    373: unsigned char decrypt_char(unsigned char c)
                    374: {
                    375:        return decrypt_tab[c];
                    376: }
                    377:
                    378: void encrypt_file(in,out)
                    379: char *in,*out;
                    380: {
                    381:        FILE *infp,*outfp;
                    382:        int c;
                    383:
                    384:        infp = fopen(in,"r");
                    385:        outfp = fopen(out,"wb");
                    386:        while ( 1 ) {
                    387:                c = getc(infp);
                    388:                if ( c == EOF )
                    389:                        break;
                    390:                putc(encrypt_char(c),outfp);
                    391:        }
                    392:        fclose(infp); fclose(outfp);
                    393: }
                    394:
                    395: void decrypt_file(in,out)
                    396: char *in,*out;
                    397: {
                    398:        FILE *infp,*outfp;
                    399:        int c;
                    400:
                    401:        infp = fopen(in,"rb");
                    402:        outfp = fopen(out,"w");
                    403:        /* skip the magic number (=0xff) */
                    404:        getc(infp);
                    405:        while ( 1 ) {
                    406:                c = getc(infp);
                    407:                if ( c == EOF )
                    408:                        break;
                    409:                putc(decrypt_char(c),outfp);
                    410:        }
                    411:        fclose(infp); fclose(outfp);
                    412: }

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